Παραπομπή σε μορφή APA (7η εκδ.)

Wilkinson, W. C. (1887). Classic German course in English / by William Cleaver Wilkinson. Chautauqua Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wilkinson, William Cleaver. Classic German Course in English / by William Cleaver Wilkinson. New York: Chautauqua Press, 1887.

Παραπομπή σε μορφή MLA (8th εκδ.)

Wilkinson, William Cleaver. Classic German Course in English / by William Cleaver Wilkinson. Chautauqua Press, 1887.